Home / 48,578.18-72,878.80-15,298.15

Finding the Fourth Proportional to 48,578.18, 72,878.80 and 15,298.15

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Solution

The fourth proportional to 48,578.18, 72,878.80 and 15,298.15 is: 22,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,578.18 : 72,878.80 = 15,298.15 : x
  2. Step 2: Convert to fraction form
    48,578.18/72,878.80 = 15,298.15/x
  3. Step 3: Cross multiply
    48,578.18x = 72,878.80 × 15,298.15
  4. Step 4: Simplify right side
    48,578.18x = 1,114,910,814.22
  5. Step 5: Solve for x
    x = 1,114,910,814.22/48,578.18
  6. Step 6: Final answer
    x = 22,950.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.